59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* Copyright 2012 Michael Ossmann
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* Copyright 2012 Jared Boone
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*
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* This file is part of HackRF.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "si5351c.h"
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/* initial configuration for Jellybean with Lemondrop attached */
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void jellybean_init(void)
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{
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//FIXME I2C setup
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si5351c_disable_all_outputs();
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si5351c_disable_oeb_pin_control();
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si5351c_power_down_all_clocks();
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si5351c_set_crystal_configuration();
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si5351c_enable_xo_and_ms_fanout();
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si5351c_configure_pll_sources_for_xtal();
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si5351c_configure_pll1_multisynth();
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/* MS0/CLK0 is the source for the MAX2837 clock input. */
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si5351c_configure_multisynth(0, 2048, 0, 1); /* 40MHz */
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/* MS1/CLK1 is the source for the MAX5864 codec. */
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si5351c_configure_multisynth(1, 4608, 0, 1); /* 20MHz */
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/* MS4/CLK4 is the source for the LPC43xx microcontroller. */
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si5351c_configure_multisynth(4, 8021, 1, 3); /* 12MHz */
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si5351c_configure_clock_control();
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si5351c_enable_clock_outputs();
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//FIXME disable I2C
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/*
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* 12MHz clock is entering LPC XTAL1/OSC input now.
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* Set up PLL1 to run from XTAL1 input.
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*/
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//FIXME CGU setup
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}
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